Transfer user agent override info between browser and renderer

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 73d4e6ea362b18c29597543729665bcd40cf2266..85c57d4b97e6856dbb29f037a021b604d18d2066 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -215,6 +215,7 @@ void MakeNavigateParams(const NavigationEntryImpl& entry,
       entry.transferred_global_request_id().child_id;
   params->transferred_request_request_id =
       entry.transferred_global_request_id().request_id;
+  params->is_overriding_user_agent = entry.GetIsOverridingUserAgent();
   // Avoid downloading when in view-source mode.
   params->allow_download = !entry.IsViewSourceMode();
 
@@ -719,6 +720,12 @@ content::WebUI* WebContentsImpl::GetCommittedWebUI() const {
 
 void WebContentsImpl::SetUserAgentOverride(const std::string& override) {
   user_agent_override_ = override;
+
+  // Send the override to the renderer.
+  RenderViewHost* host = GetRenderViewHost();
+  if (host)
+    host->Send(new ViewMsg_SetUserAgentOverride(host->GetRoutingID(),
+                                                override));
 }
 
 const std::string& WebContentsImpl::GetUserAgentOverride() const {
@@ -2758,7 +2765,8 @@ bool WebContentsImpl::CreateRenderViewForRenderManager(
           render_view_host)->CreateRenderView(string16(),
                                               opener_route_id,
                                               max_page_id,
-                                              embedder_process_id)) {
+                                              embedder_process_id,
+                                              GetUserAgentOverride())) {
     return false;
   }